package rabbitmq;

import com.rabbitmq.client.*;

import java.io.IOException;
import java.util.concurrent.TimeoutException;

public class ConsumerDome {
    public static void main(String[] args) throws IOException, TimeoutException, InterruptedException {
        //1.创建连接
        ConnectionFactory connectionFactory = new ConnectionFactory();
        connectionFactory.setHost("139.9.116.124");
        connectionFactory.setPort(5672);
        connectionFactory.setUsername("fwx");
        connectionFactory.setPassword("123456");
        connectionFactory.setVirtualHost("测试");
        //2.创建Channel
        Connection connection = connectionFactory.newConnection();
        Channel channel = connection.createChannel();
        //3.声明队列(生产者已经声明)
        channel.queueDeclare("hello",true,false,false,null);
        //4.消费消息
        /**参数声明
         * basicConsume(String queue, boolean autoAck, Consumer callback)
         * queue:队列名
         * autoAck:自动确认
         * callback：接收到消息执行逻辑
         */
        DefaultConsumer consumer = new DefaultConsumer(channel){
            //从队列中收到消息，就会执行的方法
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
                //TODO
                System.out.println("接收的消息："+new String(body));
            }
        };
        channel.basicConsume("hello",true,consumer);
        //等待程序执行完成
        Thread.sleep(2000);
        //5.释放资源
        channel.close();
        connection.close();
    }

}
